#container .content_right .item_nav {
    width: 100%;
}

#container .content_right .item_nav .nav_ul {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

#container .content_right .item_nav .nav_ul .nav_li {
    list-style: none;
    float: left;
    padding: 0 20px;
    font-size: 16px;
    font-weight: bold;
    line-height: 2;
    position: relative;
}

#container .content_right .item_nav .nav_ul .nav_li:not(.write_diary) a:hover::before {
    visibility: visible;
    -webkit-transform: scaleX(1);
    -moz-transform: scaleX(1);
    -ms-transform: scaleX(1);
    -o-transform: scaleX(1);
    transform: scaleX(1);
}

#container .content_right .item_nav .nav_ul .nav_li a:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #000;
    visibility: hidden;
    -webkit-transform: scaleX(0);
    -moz-transform: scaleX(0);
    -ms-transform: scaleX(0);
    -o-transform: scaleX(0);
    transform: scaleX(0);
    transition-duration: .2s;
    transition-timing-function: ease-in-out;
    transition-delay: 0s;
}

#container .content_right .item_nav .nav_ul .write_diary {
    padding: 0 20px;
    border-radius: 20px;
    background-image: linear-gradient(to right, #33e4d5 0%, #a183e8 75%);
}

#container .content_right .item_nav .nav_ul .nav_li.manage a {
    color: #3db922;
}

#container .content_right .item_nav .nav_ul .switch_theme {
    background-clip: border-box;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    text-shadow: 0 0 2px #ffd800;
    background-image: linear-gradient(90deg, #ffd800 0%, #ff512f 100%, #fff);
    animation: glow-animation 2s infinite linear;
    box-sizing: border-box;
    vertical-align: inherit;
}

@keyframes glow-animation {
    0% {
        filter: hue-rotate(-360deg)
    }
    50% {
        filter: hue-rotate(0deg)
    }
    100% {
        filter: hue-rotate(360deg)
    }
}

#container .content_right .item_nav .nav_ul .nav_li.write_diary a {
    color: #FFF;
}

/*.scale-spring {
    !* 安排下面的动画 尤其是 infinite 才会一直动 *!
    animation: switch-theme infinite;
    animation-duration: 1s;
    !* Safari and Chrome *!
    -webkit-animation: switch-theme infinite;
    -webkit-animation-duration: 1s;
}

!**心跳**!
@-webkit-keyframes switch-theme {
    0% {
        background: linear-gradient(to right, red, blue);
        -webkit-background-clip: text;
        color: transparent;
    }
    40% {
        background: linear-gradient(to right, red, blue);
        -webkit-background-clip: text;
        color: transparent;
    }
    80% {
        background: linear-gradient(to right, red, blue);
        -webkit-background-clip: text;
        color: transparent;
    }
    100% {
        background: linear-gradient(to right, red, blue);
        -webkit-background-clip: text;
        color: transparent;
    }
}*/

#container .content_right .item_nav .nav_ul .nav_li a {
    display: block;
    color: #555;
}

#container .content_right .item_nav .nav_ul .nav_li a .vip_icon {
    color: red;
}

#container .content_right .item_nav .nav_ul .nav_li a .vip {
    background: linear-gradient(to right, red, blue);
    -webkit-background-clip: text;
    color: transparent;
}

#container .content_right .right_item.item_content {
    display: block;
    height: calc(100% - 32px);
    overflow: hidden;
}